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The recent slowdown in climate warming is due, at least in part, to natural oscillations in the climate, according to a team of climate scientists, who add that these oscillations represent variability internal to the climate system. They do not signal any slowdown in human-caused global warming.

Children of undocumented Mexican immigrants have a significantly higher risk of behavior problems than their co-ethnic counterparts with documented or naturalized citizen mothers, according to a team of sociologists.

Discussing the relationship between science and faith, rather than avoiding the discussion, may better prepare future high school biology teachers for anticipating questions about evolution, according to Penn State political scientists.

Biodiversity, including small predators such as dragonflies and other aquatic bugs that attack and consume parasites, may improve the health of amphibians, according to a team of researchers. Amphibians have experienced marked declines in the wild around the world in recent decades, the team added.

The use of statins may not be associated with lowering risk for Parkinson's disease, according to a new study led by researchers at Penn State College of Medicine and National Institute of Environmental Health Sciences. The findings cast doubts on reports suggesting that the cholesterol-lowering medications may protect against this neurodegenerative brain disorder.

Protecting people's privacy in an age of online big data is difficult, but doing so when using visual representations of such things as social network data may present unique challenges, according to a Penn State computer scientist.

The "Hockey Stick" graph, a simple plot representing temperature over time, led to the center of the larger debate on climate change, and skewed the trajectory of at least one researcher, according to Michael Mann, Distinguished Professor of Meteorology, Penn State.

Archaeologists need to study larger areas of land and link those studies to measurable environmental, societal and demographic changes to understand variations in prehistoric societies, according to Penn State anthropologists. The large areas are necessary to say anything meaningful about human behavioral response to social and environmental events.

High concentrations of dissolved iron from abandoned coal mines in Pennsylvania have been contaminating some of the Commonwealth’s streams and rivers for many years, potentially affecting aquatic habitats and drinking water for millions of residents. To combat this problem, a team of Penn State researchers has proposed a method to eliminate much of the iron before it reaches the waterways.

Foreign clothing companies that operate in El Salvador could exert their influence to help break apart an alliance that is suppressing access to better pay and working conditions for garment laborers, according to an international team of researchers.

As high doses of green tea extract supplements for weight loss become more popular, potential liver toxicity becomes a concern. In the last decade, dozens of people have been diagnosed with the condition. However, drinking green tea in the weeks before taking supplements likely reduces risk, according to researchers in Penn State's College of Agricultural Sciences.

With the Internet and social media becoming woven into the modern medical practice, Penn State College of Medicine researchers contend that professional medical societies must update or amend their Internet guidelines to address when it is ethical to "Google" a patient.

Just as only the jester can tell the King the truth, satire performs a vital function in democratic society by using humor to broach taboo subjects, especially in times of crisis, according to a book by Penn State researchers.